(单选题) From the passage, we can infer (推断) that _______. (本题4.0分)

A、 teachers should be strict with their students
B、 mistaking (误解) might do good sometimes
C、 a catholic school is much better than other ones
D、 nuns are good at helping children with their math
出自:佳木斯大学-大学英语Ⅱ(专升本)